Who's Lived In My House? is an American reality show on HGTV which debuted November 17, 2013. As of April 10, 2014, four episodes have aired.
Premise
The show focuses on families who, while renovating historic homes (mostly mansions in the Eastern United States as of April 10, 2014), encounter unusual items in various parts of the house. Such artifacts and their locations are analyzed to determine the previous occupants of the property.
References
Who's Lived In My House? Wikipedia(Text) CC BY-SA